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natka813 [3]
4 years ago
6

First, the population is subdivided by metropolitan area. Then a crime researcher uses a random number generator to select twent

y-five members from each metropolitan area to study.A. CensusB. Simple Random SamplingC. Stratified SamplingD. Cluster SamplingE. Systematic SamplingF. Convenience Sampling
Mathematics
1 answer:
ss7ja [257]4 years ago
3 0

Answer:

C. Stratified Sampling

Step-by-step explanation:

Stratified sampling is a sampling method in which the overall population is divided into a number of smaller sub groups.

These smaller sub-groups are called as strata.

These sub-groups are formed on the basis of similar characteristics and attributes shared by the population.

It is also known as proportional random sampling.

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Answer:

The child can sell 15 cookies and 30 lemonade glasses, or 10 cookies and 40 glasses of lemonade, etc

Step-by-step explanation:

If the child wants to make $30 and gets $1 per cookie and $0.50 per lemonade glass, he could sell 15 cookies and 30 glasses, 10 cookies and 40 glasses, etc. He has to sell at least 5 cookies, though, as the lemonade is only worth $25.

7 0
3 years ago
If f(x) = 3x-2 and g(x) = 2x + 1 find (f-g)(x)
Marat540 [252]

Answer:

x-3

Step-by-step explanation:

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          =3x-2-2x-1

Combine like terms

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        =x-3

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3 years ago
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because one times every number is the same

8 0
3 years ago
Describe the shape of the histogram. the data set: round-trip commuting times (in minutes of 20 randomly selected employees
zaharov [31]
It would have been better if the histogram has been uploaded as well. Anyway, in any graph including histogram, there are two or more axes. The first of which (in the x-axis) is the time in minutes of commuting times then in the y-axis is the frequency which would tell us how many of the 20 randomly selected employees took that long for the commute. 
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Answer:

8/9

Step-by-step explanation:

(19-3)/(12-[-6])

16/18

8/9

8 0
3 years ago
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